Answer:
Step-by-step explanation:
f(x) = x²-8x-20
a= 1
a >0 so...
-parabola opens up
-vertex is a minumum
Minimum because parabola opens up !
Answer:
3x - 4y + 22 = 0
Step-by-step explanation:
The equation of a straight line passing through the given two points () and () is given by the formula
Here in our case, the two given points are (-6,1) and (-2,4) and the equation of the straight line passing through those two points will be
⇒ 4(y - 1) = 3(x + 6)
⇒ 3x - 4y + 22 = 0 (Answer)
Answer:
I hope this helpsss
Step-by-step explanation:
:)))
Answer:
45
Step-by-step explanation:
20 boys= 5 times the ratio
So, 5x5=25
25 girls and 20 boys= 45 students